**Concept:** The question tests on the basic application of the technique of alligation

**Solution:**

Use the rule of alligations as shown below.

Let x be the number of clerks

Therefore x/75000=30/5000

=>x = 450**Option E**

Modified on: Tue, 12 Oct, 2021 at 12:37 PM

**Concept:** The question tests on the basic application of the technique of alligation

**Solution:**

Use the rule of alligations as shown below.

Let x be the number of clerks

Therefore x/75000=30/5000

=>x = 450**Option E**

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